Home / 50,912.82-76,278.87-21,265.41

Finding the Fourth Proportional to 50,912.82, 76,278.87 and 21,265.41

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Solution

The fourth proportional to 50,912.82, 76,278.87 and 21,265.41 is: 31,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.82 : 76,278.87 = 21,265.41 : x
  2. Step 2: Convert to fraction form
    50,912.82/76,278.87 = 21,265.41/x
  3. Step 3: Cross multiply
    50,912.82x = 76,278.87 × 21,265.41
  4. Step 4: Simplify right side
    50,912.82x = 1,622,101,444.89
  5. Step 5: Solve for x
    x = 1,622,101,444.89/50,912.82
  6. Step 6: Final answer
    x = 31,860.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.